7445401 has 4 divisors (see below), whose sum is σ = 7488612. Its totient is φ = 7402192.

The previous prime is 7445393. The next prime is 7445437. The reversal of 7445401 is 1045447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2972176 + 4473225 = 1724^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 7445401 - 2³ = 7445393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7445441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21346 + ... + 21691.

It is an arithmetic number, because the mean of its divisors is an integer number (1872153).

Almost surely, 2^7445401 is an apocalyptic number.

It is an amenable number.

7445401 is a deficient number, since it is larger than the sum of its proper divisors (43211).

7445401 is a wasteful number, since it uses less digits than its factorization.

7445401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43210.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 7445401 is about 2728.6262111180. The cubic root of 7445401 is about 195.2672294993.

The spelling of 7445401 in words is "seven million, four hundred forty-five thousand, four hundred one".